<!DOCTYPE html>

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title></title>
    <script src="./js/vue.js"></script>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        #container{
            margin: 0 auto;
            width: 60%;
            margin-top: 10px;
        }
        .boxOne{
            width: 100%;
            height: 40px;
            border: 1px solid #000;
            box-sizing: border-box;
            position: relative;
        }
        .boxOne span{
            position: absolute;
            top: 20%;
            left: 0;
        }
        #goods{
            border-collapse: collapse;
            border: 1px solid #000;
            text-align: center;
            width: 100%;
            margin-top: 10px;
        }
        #goods tr>th{
            background-color: aqua;
            font-size: 16px;
        }
        th,td{
            border-collapse: collapse;
            border: 1px solid slateblue;

        }
    </style>
</head>

<body>
    <div id="app">
        <div id="container">
            <div id="addTag" class="boxOne">
                <span>
                    <label>品牌名称</label>
                    <input type="text" v-model="goodname">
                    <button @click="addGoods">添加</button>
                </span>
            </div>
            <div id="searchTag" class="boxOne">
                <span>
                    <label>品牌名称</label>
                    <input type="text" v-model="searchgood">
                    <button @click="searchGoods">搜索</button>
                </span>
            </div>
            <table id="goods">
                <thead>
                    <tr>
                        <th>编号</th>
                        <th>品牌名称</th>
                        <th>价格</th>
                        <th>数量</th>
                        <th>添加时间</th>
                        <th>操作</th>
                    </tr>
                </thead>
                <tbody>
                    <tr v-for="(value,index) in goodList" :key="index">
                        <td>{{index +1 }}</td>
                        <td>{{value.name}}</td>
                        <td>{{value.yuan}}</td>
                        <td>
                            <button>-</button>
                            {{value.num}}
                            <button>+</button>

                        </td>
                        <td>{{value.createtime}}</td>
                        <td><a href="#" @click="delete1($event)">删除</a></td>
                    </tr>
                    <tr v-if='goodList.length===0'>
                        <td colspan="6">没有商品</td>
                    </tr>
                </tbody>

            </table>
            <div>总计：{{totalPrice}}元</div>

        </div>
    </div>
    <script>
        var vm = new Vue({
            el: '#app',
            data: {
                goodList:[
                    {name:"水果",yuan:10,num:10,createtime:"2022/12/9"},
                    {name:"蔬菜",yuan:10,num:10,createtime:"2022/12/9"},
                    {name:"瓜子",yuan:10,num:10,createtime:"2022/12/9"},
                ],
                goodname:'',
                searchgood:'',
            },
            methods: {
                addGoods(){
                    var goodObj = new Object();
                    goodObj.name = this.goodname;
                    var current_time = new Date().toLocaleString();;
                    goodObj.createtime=current_time;
                    goodObj.num=10;
                    goodObj.yuan=50;
                    this.goodList.push(goodObj);
                },
                searchGoods(){
                    var tarGoodName = this.searchgood;
                    var tempGoodList = new Array();
                    for(good of this.goodList){
                        if(good.name == tarGoodName){
                            tempGoodList.push(good)
                        }
                    }
                    this.goodList = tempGoodList;
                },
                delete1($event){
                    if(confirm("是否删除？")){
                    this.goodList.splice(event.data,1);

                    }
                    //0.1.2.3.4.5.6
                    //splice(2)
                    //删除0.1
                    //splice(-2)
                    //删除5.6


                    //splice(x,y)
                    //splice(index,howmany)
                    //splice(2,1)
                    //删除：2
                    //splice(x,y,z)
                    //不仅可以删，还可以添加



                }
            },
            computed:{
                totalPrice:{

                }
            }
        })
    </script>
</body>

</html>